JEE Advanced | 2014Work, Power and EnergyHard
Question
A tennis ball is dropped on a horizontal smooth surface. It bounces back to its original position after hitting the surface. The force on the ball during the collision is proportional to the length of compression of the ball. Which one of the following sketches describes the variation of its kinetic energy K with time t most appropriately? The figures are only illustrative and not to the scale.
Options
A.
B.
C.
D.
More Work, Power and Energy Questions
Two particles each of mass m travelling with velocities u1 and u2 collide perfectly inelastically. The loss of kinetic e...If the force applied is F and the velocity gained is v, then the power developed is :-...A 30 g bullet initially travelling at 120 m/s penetrates 12 cm into a wooden block. The average resistance by the wooden...A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. the work done by the force of gravity durin...The potential energy for the force = yzî + xaĵ + xy, if the zero of the potential energy is to be chosen at th...